环形加热炉是钢管生产厂加热管坯使用较普遍的一种加热设备。根据环形加热炉的结构要求，其炉底与炉墙之间设计有一条环缝，该环缝的大小与炉径、砌体材料及施工质量有关。环缝既不能过宽，也不能过窄。环缝过宽则大量热量将被炉底下部的水封装置吸收，并导致金属构件的使... Ring furnace is a steel pipe manufacturing plant heating pipe commonly used as a heating device. According to the structural requirements of the toroidal heating furnace, a girth is designed between the bottom of the furnace and the furnace wall. The size of the girth is related to the furnace diameter, the material of the masonry and the construction quality. Girth can neither be too wide nor too narrow. Girth is too wide a lot of heat will be the lower part of the water seal device absorption, and lead to the metal components of the ...